160 grams of thermal protection that's breathable. Features - Windproof, water-resistant 300D ripstop polyester shell w/ PU coating - Heavy-duty zipper closure, quick-release suspender buckles, elastic sides, & pant leg zippers - 1 chest & 2 side pockets w/ zippered closures - Meets ANSI/ISEA 107 - Lime -1/Each